【下载文档:  实现Asp.net_mvc上传头像加剪裁功能.txt 】

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实现Asp.net mvc上传头像加剪裁功能
在我们使用QQ上传头像，注册用户账号时是不是都会遇到上传图像，并根据自己的要求对图像进行裁剪，这是怎么实现的呐？
本文主要介绍了Asp.net mvc实现上传头像加剪裁功能，分享给大家供大家参考。具体如下：
运行效果截图如下：
具体代码如下：
前台代码










后台代码
public ActionResult Index()
{
return View();
}
///

/// 保存缩略图
///

///
///
[HttpPost]
public ActionResult Index(FormCollection form)
{
int x = Convert.ToInt32(form["x"]);
int y = Convert.ToInt32(form["y"]);
int w = Convert.ToInt32(form["w"]);
int h = Convert.ToInt32(form["h"]);
string imgsrc = form["imgsrc"].Substring(0, form["imgsrc"].LastIndexOf("?"));
string path = ImgHandler.CutAvatar(imgsrc, x, y, w, h);
//保存Path
ViewBag.Path = path;
return View();
}
///

/// 上传头像
///

///
///
[HttpPost]
public ActionResult ProcessUpload(string qqfile)
{
try
{
string uploadFolder = "/Upload/original/" + DateTime.Now.ToString("yyyyMM") + "/";
string imgName = DateTime.Now.ToString("ddHHmmssff");
string imgType = qqfile.Substring(qqfile.LastIndexOf("."));
string uploadPath = "";
uploadPath = Server.MapPath(uploadFolder);
if (!Directory.Exists(uploadPath))
{
Directory.CreateDirectory(uploadPath);
}
using (var inputStream = Request.InputStream)
{
using (var flieStream = new FileStream(uploadPath + imgName + imgType, FileMode.Create))
{
inputStream.CopyTo(flieStream);
}
}
return Json(new { success = true, message = uploadFolder + imgName + imgType });
}
catch (Exception e)
{
return Json(new { fail = true, message = e.Message });
}
}
以上就是实现Asp.net mvc上传头像加剪裁功能的部分代码，小编分享给大家参考，希望对大家的学习有所帮助。